High quality fan which has been removed from broadcast equipment, capable of moving large amounts of air!
NMB
Made in China
Model: NMB-MAT 4715KL-05W-B30
Strong PBTP housing
Designed for quiet, long life (50,000 hours) operation
DC 24V @ 7.4W
108 CFM
42dB maximum noise level
Useable range:
At 10V to 27V DC
Ball bearings
Measures: 120mm x 120mm x 38mm deep
Supplied with the original metal protective screen (and plastic spring plugs)
4 mounting holes
Colour coded leads, Red (positive) Black (Negative) 60mm length flying lead, bare wire at the end.
It is important to follow the colour coding, if the incorrect polarity is used the fan will not move at all.
Full technical and physical mounting info datasheet is available (if requested)
COSMETIC CONDITION:
Clean, no physical damage
TESTING:
Powered up with 24V DC, no bearing noise heard
When powered off, continues to rotation for a few seconds (bearings are doing their job well)
Direction of airflow is indicated on the casing
Quality fans are not cheap but they are far more reliable than cheap knock-offs and prevent expensive equipment overheating problems.
Current stock item at Element 14 (although they only show available stock in Singapore and UK) A$26
